Types of Forces
Net Force
Newtons 3rd Law
Combination
Vocabulary
100
What is the force when two objects are sliding against each other?
Friction
100
Net Force and Direction?
8N to the Left
100
What does Newtons 3rd Law State?
For every action, there is an opposite and Equal Reaction.
100
Net force, Types of forces and action/reaction:
ON of force, Normal and Gravity, Books push down on table and the table applies upward force.
100
Force
a push or a pull
200
What type of force is created with the flow of electrons?
Magnetism
200
Net Force and Direction?
20N Left
200
A person jumped off the boat and the boat got pushed backwards. What is the Action and Reaction forces?
Action: Person jumped off boat
Reaction: Boat pushed backward.
200
60N Up 20N Down
40N Up, Gravity/Applied, Rocket pushes out fuel and rocket moves upward.
200
Gravity
The pull created from an object with larger mass
300
What type of force is created with an object of larger mass?
Gravity
300
24N Left
300
A student lets go of an inflated balloon, and it flies across the room as air rushes out.
Which of the following BEST explains the action-reaction forces in this situation?
The air rushes out causing the balloon to move forward.
300
Net force, types of forces and Action/Reaction: 
20N --> <-- 15N
5N right, Friction/Gravity/Applied/Normal, He pushes on the couch to move it, the couch moves forward.
300
Normal Force
The perpendicular force exerted on another.
400
A box is resting on a flat surface. A person pushes the box to the right, but it moves slowly due to resistance. Complete the statements with the correct forces acting on the box.
The force that pulls the box downward is called _______.
The force applied by the person pushing the box to the right is called ____________.
Gravity, Applied
400
17N Left
400
If a person is Kayaking, what is the Action and Reaction?
A person uses the paddle to push the water backwards, propelling the kayak forwards.
400
Net Force, Types of Forces, Action/Reaction
13N Left, Applied/friction/gravity/Normal, Students push on box, box moves with larger force
400
Net Force
the sum of all the forces acting on an object
500
What type of forces are in the picture below?
Friction, applied, normal, gravity
500
Which of the two diagrams has the same net force?
Diagram A and C
500
Action forces and reaction forces always occur together. Which of the following is an example of an action-reaction force pair?
A swimmer pushes the water backward and the water flows over the swimmer.
A bird flies by moving their wings and the feathers move in the wind.
The tires on a car push against the road and the road pushes back on the tires.
A person is pushing on a rock and the rock does not move.
The tires on a car push against the road and the road pushes back on the tires.
500
A mother and father are holding hands with their child who is between them. The mother pulls left with 10 N force, while the father pulls right with the same force. The child pulls back on each of them with 10 N force. What is the net force on the child and what is the net force on each parent, Types of Force, and Action/Reaction?
0N , applied/normal/gravity, Action:father and mother pulling on child, child pulls back.
500
Magnitude
The strength of a force on an object